th equation of tangent to the circle x sqr+ysqr=25 passing through (-2,11)
mayank , 11 Years ago
Grade
1 Answers
Arpit Kumar
Last Activity: 11 Years ago
The equation of tangent to a circle having equation of the form x^2+y^2=a^2 and passing through the point x1,y1 is given by xx1+yy1=a^2 so the equation of the tangent will be 11y-2x=25
Hope this helps
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